Home / 5,738.40-7,915.66-3,613.10

Finding the Fourth Proportional to 5,738.40, 7,915.66 and 3,613.10

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Solution

The fourth proportional to 5,738.40, 7,915.66 and 3,613.10 is: 4,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.40 : 7,915.66 = 3,613.10 : x
  2. Step 2: Convert to fraction form
    5,738.40/7,915.66 = 3,613.10/x
  3. Step 3: Cross multiply
    5,738.40x = 7,915.66 × 3,613.10
  4. Step 4: Simplify right side
    5,738.40x = 28,600,022.53
  5. Step 5: Solve for x
    x = 28,600,022.53/5,738.40
  6. Step 6: Final answer
    x = 4,983.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.